code: def _download_dataplane_build_file() -> None:
      """
      Downloads the dataplane build file from S3.
      """
      s3 = boto3.client("s3")
      s3.download_file(
          Bucket=DATAPLANE_S3_BUCKET,
          Key=DATAPLANE_FILENAME,
          Filename=DATAPLANE_FILENAME,
      )
      with open(DATAPLANE_FILENAME, "rb") as build_context:
          digest = hashlib.sha256(build_context.read()).hexdigest()
          assert (
              digest == DATAPLANE_DIGEST
          ), "Mismatched dataplane digest found!"
  
file_path: ray/release/ray_release/byod/build.py
imports: from typing import List, Optional, Dict
  import boto3
  import hashlib
  import os
  import subprocess
  import sys
  import time
  from ray_release.config import RELEASE_PACKAGE_DIR
  from ray_release.configs.global_config import get_global_config
  from ray_release.logger import logger
  from ray_release.test import Test, DATAPLANE_ECR_REPO, DATAPLANE_ECR_ML_REPO
label_desc: Use image node_id 6 for calling a global function with example usage: _download_dataplane_build_file() without return types